The following software versions apply to Release 12.0(1):
Unified Communications Manager 126.96.36.19900-10
IM and Presence Service 188.8.131.5200-12
This release offers two main deployment options for this release of Unified Communications Manager and the IM and Presence Service:
Standard Deployments—Both Unified Communications Manager and the IM and Presence Service must be running the above 12.0(1) version for your deployment to be supported. A version mismatch is not supported.
Centralized Deployments of IM and Presence Service—If you have the Centralized Deployment option configured on the IM and Presence Service, then within the IM and Presence central cluster, both the Unified Communications Manager instance and the IM and Presence Service must be running a 12.0(1) version. However, the telephony cluster that the central cluster connects to does not have to be running a 12.0(1) version.